Home / 6,747.71-10,119.60-2,587.40

Finding the Fourth Proportional to 6,747.71, 10,119.60 and 2,587.40

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Solution

The fourth proportional to 6,747.71, 10,119.60 and 2,587.40 is: 3,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.71 : 10,119.60 = 2,587.40 : x
  2. Step 2: Convert to fraction form
    6,747.71/10,119.60 = 2,587.40/x
  3. Step 3: Cross multiply
    6,747.71x = 10,119.60 × 2,587.40
  4. Step 4: Simplify right side
    6,747.71x = 26,183,402.44
  5. Step 5: Solve for x
    x = 26,183,402.44/6,747.71
  6. Step 6: Final answer
    x = 3,880.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.